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Windows 7: Local area connection doesn't have a valid IP configuration

I'm knew to the forum First time posting.
So my problem is that we just got a knew ISP like 4-5weeks ago and they gave us the modem and it only has 1 port so we bought a TP-LINK TL-WR841N. It was all good until I got the error massage one morning that no valid IP configuration ( I attach a screenshot of it) and now I can only use Wi-Fi connection but not wired connection since the loss through the rooms are a lot. We have a 100mb/s internet and only 20-30mb/s arrives in my room with Wi-Fi. I tried a lot of things so far but nothing worked. What I know for sure is that my laptop doesn't want to get the IPv4 Default Gateway and DNS server and that is the problem. Hope someone can help me out

Local area connection doesn't have a valid IP configuration

Local Area Connection Doesn't have a valid IP configuration.Hi, I have a windows 7 64bit PC. Recently my internet cut out and it sait "Unidentified network No Internet access". I tried the troubleshooter and it told me that my Local Area Connection Doesn't have a valid IP configuration. I have searched up many solutions and none of them worked. So can you...

Local Area Connection doesn't have a valid IP configurationHi. At home i only have a wifi internet connection and i dont have a reciever for my desktop so i was using my laptop to share the internet connection through a Lan cable
But today all of a sudden my desktop cant connect to the internet anymore because
"Local Area Connection doesn't have a valid...

Network & Sharing

Local Area Connection doesn't have valid IP configurationGuys, I really need your help.
I got a new laptop a couple days ago. It was for work so I brought it to the office. We have an open network in the office, you just need to plug into it with a regular cable. We've had it for years and it always worked. Not this time.
When I'd first plugged it,...

Network & Sharing

Local Area Connection doesn't have valid ip configurationI've been at this all day its a brand new computer(that might be the problem right there but i doubt it) I tried renew and release method and have unidentified network Public network as well even though i do not have wireless on the comp. The local area connection says no network access as well....

Network & Sharing

Local Area Connection doesn't have a valid IP configurationRecently, I can't connect to the internet. when I tried to troubleshoot the problem, it gave me the following line :
"Local Area Connection doesn't have a valid IP configuration"
I have two PCs and when I connect the mothem/router to the second PC, everything is okay and internet is on (So I am...